What does the horn sign mean?

Related questions

1. Is 8 lucky in Japan?
2. Why is Friday the 17th unlucky in Italy?
3. What was Italy called before Italy?
4. Why are people scared 13?
5. Is Friday the 13th lucky in Italy?
6. Why is the Italian flag important?
7. Is there still a royal family in Italy?
8. Is 13 unlucky in Japan?
9. Is there a Queen of Italy?
10. What do the Colours of Italy's flag mean?

Tags

1. #black
2. #using
3. #joining
4. #southern
5. #malocchio
6. #metal
7. #known
8. #grandmother
9. #after
10. #italian
11. #began
12. #claimed
13. #james
14. #sabbath
15. #which
16. #horns
17. #heavy
18. #ronnie
19. #italy
20. #popularizing